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Electronic-freevisual level indicatorscouple buoyantmetal floatswith internal magnets to track a liquid level. Watch as the flag colors change in relation to the large magnet. To learn more about the product behind the magnet rail assembly demonstration, visit ourVLI2500page.

Theory of Operation

"A float with internal magnets moves within the VLI chamber. As the liquid rises and falls within the process tank, the float travels with the corresponding fluid level inside the chamber. An isolated visual indicator housing is attached to the exterior containing a string of dual color magnetic flags that rotate as the float passes. The point at which the flag color has changed on the indicator directly correlates to the liquid level within the process tank."